Managing Edema: Concerns About Diuretics and Rising Uric Acid Levels - Internal Medicine

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Discontinuation of diuretics can lead to edema?


Hello, Doctor.
About a month ago, I visited a clinic due to lower limb edema, and the doctor prescribed Rasitol 40 mg, one tablet daily.
After taking it, the diuretic effect was quite good, and the edema improved.
However, once I stopped the medication, the swelling returned, so I started buying the medication from the pharmacy and taking it daily.
Recently, I had a blood test and found that my previously normal uric acid level (9.3) and triglycerides (208) have spiked.
In June, my uric acid was (6) and triglycerides (95).
Is this related to taking the diuretic? I have been hesitant to take the diuretic again, but I have gained an average of nearly two kilograms daily over the past week.
What should I do? Also, how can I restore my body's natural diuresis without relying on diuretics?

Kai Li, 50~59 year old female. Ask Date: 2023/11/01

Dr. Wu Hongjie reply Internal Medicine


There are many causes of edema.
Please visit the relevant specialty clinic to identify the underlying cause.
Self-medicating with diuretics will not address the root issue.
There are various types of diuretics; for example, thiazide diuretics can lead to elevated uric acid levels.
Additionally, high uric acid may not necessarily be caused by diuretics and should be evaluated from dietary, genetic, and drug interaction perspectives.
Wishing you health and safety.

Reply Date: 2023/11/01

More Info


Managing edema, particularly when it involves the use of diuretics like Rasitol (a brand name for a diuretic), can be a complex issue, especially for individuals with pre-existing conditions such as elevated uric acid levels. Your experience with edema and the subsequent use of diuretics is not uncommon, but it does raise several important considerations regarding the management of your condition and the potential side effects of the medication.

Diuretics are commonly prescribed to help reduce fluid retention (edema) by promoting the excretion of sodium and water through urine. While they can be effective in managing symptoms of edema, they can also lead to electrolyte imbalances and other metabolic changes, including alterations in uric acid and triglyceride levels. In your case, the increase in uric acid from 6 to 9.3 mg/dL and triglycerides from 95 to 208 mg/dL after starting the diuretic is concerning and may indeed be related to the use of the medication.

Uric Acid Levels and Diuretics:
Diuretics, particularly thiazide diuretics, can lead to an increase in uric acid levels. This occurs because diuretics can reduce the renal clearance of uric acid, leading to hyperuricemia (elevated uric acid levels). For individuals with a history of gout or elevated uric acid levels, this can precipitate gout attacks or worsen existing conditions. Given your recent lab results, it would be prudent to discuss the implications of continuing diuretic therapy with your healthcare provider, especially if you have a history of gout or related symptoms.

Triglyceride Levels:
The increase in triglycerides can also be associated with diuretic use. Diuretics can lead to dehydration and changes in lipid metabolism, which may contribute to elevated triglyceride levels. This is particularly relevant if you have other risk factors for cardiovascular disease. Monitoring your lipid profile regularly is essential, and lifestyle modifications such as dietary changes, increased physical activity, and weight management can help manage triglyceride levels.

Managing Edema Without Diuretics:
If you are concerned about the side effects of diuretics and wish to manage your edema without them, there are several strategies you can consider:
1. Dietary Modifications: Reducing sodium intake can help decrease fluid retention. Focus on a balanced diet rich in fruits, vegetables, whole grains, and lean proteins. Foods high in potassium, such as bananas, spinach, and sweet potatoes, can help counteract the effects of sodium.

2. Hydration: While it may seem counterintuitive, staying well-hydrated can help your body maintain a proper fluid balance. Dehydration can lead to increased fluid retention.

3. Physical Activity: Regular exercise can improve circulation and help reduce edema. Activities like walking, swimming, or cycling can be beneficial.

4. Elevation: Elevating your legs when sitting or lying down can help reduce swelling in the lower extremities.

5. Compression Garments: Wearing compression stockings can help improve venous return and reduce swelling in the legs.

6. Consultation with a Specialist: If edema persists, consider consulting a specialist, such as a nephrologist or a cardiologist, who can provide tailored advice and alternative treatment options.

In conclusion, while diuretics can be effective for managing edema, they can also lead to significant metabolic changes, including elevated uric acid and triglyceride levels. It's essential to work closely with your healthcare provider to monitor these changes and explore alternative management strategies for your edema. Always consult your doctor before making any changes to your medication regimen or lifestyle to ensure safe and effective management of your condition.

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